IB/hfi1: Remove rcvhdrsize

The field is based on a constant that can never change.

Use the define to assign the register instead.
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/hfi1/chip.c

@@ -15216,8 +15216,6 @@ struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev,
 	 */
 	aspm_init(dd);
 
-	dd->rcvhdrsize = DEFAULT_RCVHDRSIZE;
-
 	ret = init_pervl_scs(dd);
 	if (ret)
 		goto bail_cleanup;

drivers/infiniband/hw/hfi1/hfi.h

@@ -1136,8 +1136,6 @@ struct hfi1_devdata {
 
 	/* these are the "32 bit" regs */
 
-	/* value we put in kr_rcvhdrsize */
-	u32 rcvhdrsize;
 	/* number of receive contexts the chip supports */
 	u32 chip_rcv_contexts;
 	/* number of receive array entries */

drivers/infiniband/hw/hfi1/init.c

@@ -1887,7 +1887,7 @@ int hfi1_create_rcvhdrq(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd)
 			& RCV_HDR_ENT_SIZE_ENT_SIZE_MASK)
 		<< RCV_HDR_ENT_SIZE_ENT_SIZE_SHIFT;
 	write_kctxt_csr(dd, rcd->ctxt, RCV_HDR_ENT_SIZE, reg);
-	reg = (dd->rcvhdrsize & RCV_HDR_SIZE_HDR_SIZE_MASK)
+	reg = ((u64)DEFAULT_RCVHDRSIZE & RCV_HDR_SIZE_HDR_SIZE_MASK)
 		<< RCV_HDR_SIZE_HDR_SIZE_SHIFT;
 	write_kctxt_csr(dd, rcd->ctxt, RCV_HDR_SIZE, reg);